changed the way how the library is built

- now there is only one Makefile in the root directory and we have only one pikotools.a lib file
- removed: mainparser

Makefile

@@ -1,4 +1,14 @@
-# Makefile for GNU make
+sourcefiles:=$(shell find . -name "*.cpp")
+objfiles:=$(patsubst %.cpp,%.o,$(sourcefiles))
+
+
+
+CXX = g++10
+#CXX = clang++
+#CXXFLAGS = -fsanitize=address -O0 -g3 -gdwarf-2 -O0 -std=c++14 -I../ttmath -I../pikotools -Wl,-rpath=/usr/local/lib/gcc5/ -Wall -pedantic -Wextra
+#CXXFLAGS = -O0 -g3 -gdwarf-2 -O0 -std=c++17 -I../ttmath -I../pikotools -Wl,-rpath=/usr/local/lib/gcc7/ -Wall -pedantic -Wextra
+CXXFLAGS = -Wl,-rpath=/usr/local/lib/gcc10/ -O0 -g3 -std=c++20 -I../pikotools -Wall -pedantic
+
 
 ifndef CXX
 CXX = clang++
@@ -16,61 +26,35 @@ ifndef AR
 AR = ar
 endif
 
-#CXX=g++5
-#CXXFLAGS=-Wall -O0 -g3 -gdwarf-2 -std=c++14
 
-export CXX
-export CXXFLAGS
-export LDFLAGS
-export AR
+#export CXX
+#export CXXFLAGS
+#export LDFLAGS
+#export AR
 
 
-all: space mainparser mainspaceparser utf8 date convert log
+libname = pikotools.a
 
 
+all: $(libname)
 
 
-space: FORCE
-	@cd space        ; $(MAKE) -e
-
-mainparser: FORCE
-	@cd mainparser   ; $(MAKE) -e
-
-mainspaceparser: FORCE
-	@cd mainspaceparser ; $(MAKE) -e
-
-utf8: FORCE
-	@cd utf8         ; $(MAKE) -e
-
-date: FORCE
-	@cd date         ; $(MAKE) -e
-
-convert: FORCE
-	@cd convert      ; $(MAKE) -e
-
-log: FORCE
-	@cd log          ; $(MAKE) -e
+$(libname): $(objfiles)
+	$(AR) rcs $(libname) $(objfiles)
 
 
-
-
-FORCE:
+%.o: %.cpp
+	$(CXX) -c $(CXXFLAGS) -o $@ $<
 
 
 clean:
-	@cd space        ; $(MAKE) -e clean
-	@cd mainparser   ; $(MAKE) -e clean
-	@cd mainspaceparser ; $(MAKE) -e clean
-	@cd utf8         ; $(MAKE) -e clean
-	@cd date         ; $(MAKE) -e clean
-	@cd convert      ; $(MAKE) -e clean
-	@cd log          ; $(MAKE) -e clean
+	rm -f $(objfiles)
+	rm -f $(libname)
+
 
 depend:
-	@cd space        ; $(MAKE) -e depend
-	@cd mainparser   ; $(MAKE) -e depend
-	@cd mainspaceparser ; $(MAKE) -e depend
-	@cd utf8         ; $(MAKE) -e depend
-	@cd date         ; $(MAKE) -e depend
-	@cd convert      ; $(MAKE) -e depend
-	@cd log          ; $(MAKE) -e depend
+	makedepend -Y. -f- $(sourcefiles) > Makefile.dep
+
+
+-include Makefile.dep
+